Supabase Has a Free Backend Platform — Firebase Alternative with PostgreSQL Power

Supabase is an open-source Firebase alternative built on PostgreSQL.

What You Get for Free

• PostgreSQL database — 500MB, full SQL power, extensions (pgvector, PostGIS)
• Authentication — email, OAuth, phone, magic link, SAML
• Realtime — subscribe to database changes via WebSockets
• Storage — 1GB file storage with CDN and transformations
• Edge Functions — Deno-based serverless functions
• Auto-generated API — instant REST and GraphQL from your schema
• Row Level Security — PostgreSQL policies for fine-grained access
• Vector search — pgvector for AI/ML embeddings

Quick Start

# Cloud: supabase.com (free project, no credit card)

# Or self-hosted
git clone https://github.com/supabase/supabase
cd supabase/docker
cp .env.example .env
docker compose up -d

import { createClient } from '@supabase/supabase-js'
const supabase = createClient(URL, KEY)

// Query like SQL
const { data } = await supabase
  .from('products')
  .select('*')
  .gte('price', 10)
  .order('created_at', { ascending: false })
  .limit(20)

Why Developers Choose It Over Firebase

Firebase uses proprietary NoSQL. Supabase gives you PostgreSQL:

• Real SQL — joins, transactions, stored procedures, views
• Open source — no vendor lock-in, self-host anytime
• pgvector — AI vector search built into your database
• Predictable pricing — no surprise bills from read operations

A SaaS startup chose Firebase, then hit limits: no joins, no full-text search, $800/mo at 10K users. They migrated to Supabase — PostgreSQL handled complex queries natively, and the bill dropped to $25/mo.

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